His vision of Wall Street conjures up science fiction fantasies of HAL 9000, the sentient computer in ``2001: A Space Odyssey.'' Instead of mindlessly crunching numbers, AI-powered circuitry one day will mimic our brains and understand our emotions -- and outsmart human stock pickers, he says. http://www.bloomberg.com/apps/news?pid=20601109&sid=amK25dKbMrhQ&refer=home